Alert archive / South Dakota / Tornado Warnings in 2000

Tornado Warning 7, NWS Sioux Falls, SD

June 3, 2000Union County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 3, 2000, 8:21 PM CDT for Union County, South Dakota. It was in force for 24 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 3, 2000, 8:21 PM CDT (01:21 UTC)
Expired
Jun 3, 2000, 8:45 PM CDT
In force
24 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Union County, SD

The radar

The Sioux Falls radar (KFSD), 84 km from the middle of the area, began a volume at 01:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 3, 8:40 PM CDTThunderstorm Wind 57 EJefferson, SD
Jun 3, 8:48 PM CDTThunderstorm Wind 50 MNorth Sioux City, SD

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.4 hours before the alert went out and 170 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 2000-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2000-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2210 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
362 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KFSD 040122
TORFSD
SDC127-040145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
821 PM CDT SAT JUN 3 2000

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN UNION COUNTY IN SOUTHEAST SOUTH DAKOTA

* UNTIL 845 PM CDT

* AT 821 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 6 MILES NORTHWEST OF ELK POINT...OR ABOUT 8 MILES SOUTHEAST
  OF VERMILLION...MOVING SOUTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  ELK POINT AROUND 830 PM CDT
  JEFFERSON AROUND 840 PM CDT
  NORTH SIOUX CITY AROUND 845 PM CDT

THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY
ISSUED FOR THE WARNED AREA.

THIS IS AN EXTREMELY DANGEROUS AND POTENTIALLY LIFE THREATENING
SITUATION. IF YOU ARE IN THE PATH OF THIS TORNADO...TAKE COVER
IMMEDIATELY. GO TO THE BASEMENT. IF A BASEMENT IS NOT AVAILABLE...GO
TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN SIOUX FALLS.

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 3, 7:11 PM CDTSevere Thunderstorm WarningFSDClay, Turner, Yankton34 min
Jun 3, 7:22 PM CDTSevere Thunderstorm WarningFSDBon Homme23 min
Jun 3, 7:36 PM CDTSevere Thunderstorm WarningFSDClay29 min
Jun 3, 7:50 PM CDTTornado WarningFSDClay25 min
Jun 3, 7:57 PM CDTSevere Thunderstorm WarningFSDUnion33 min
Jun 3, 8:13 PM CDTTornado WarningFSDClay32 min
Jun 3, 8:44 PM CDTSevere Thunderstorm WarningFSDUnion31 min
Jun 3, 11:10 PM CDTSevere Thunderstorm WarningFSDJerauld35 min
Jun 3, 11:23 PM CDTSevere Thunderstorm WarningFSDAurora37 min
Jun 3, 11:59 PM CDTSevere Thunderstorm WarningFSDAurora, Davison31 min
Jun 4, 12:26 AM CDTSevere Thunderstorm WarningFSDDavison, Hutchinson34 min
Jun 4, 12:56 AM CDTSevere Thunderstorm WarningFSDBon Homme, Yankton34 min
Jun 4, 12:59 AM CDTSevere Thunderstorm WarningFSDClay, Lincoln, Union31 min
Jun 4, 1:27 AM CDTTornado WarningFSDYankton18 min
Jun 4, 1:40 AM CDTSevere Thunderstorm WarningFSDClay35 min
Jun 4, 2:02 AM CDTSevere Thunderstorm WarningFSDUnion28 min
Jun 4, 2:29 AM CDTSevere Thunderstorm WarningFSDUnion31 min

Nearby

Tornado Warnings in South Dakota, 2000Every tornado warning in 2000Tornadoes in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.